With the world in a tizzy over the royal wedding, we almost forgot what day it was…
IT'S FRIDAY, FRIDAY!
And you know, you gotta get down on Friday!
Rather than jam out to Rebecca Black's version (we'll save that for later), we thought you'd like to hear Katy Perry's acoustic cover from her show in Melbourne last night!
Ch-ch-check it out (above), though we'll admit, it loses its power when it isn't riddled with autotune.